Type-writing machine.



latvnwil Jain. 30, I917 1 1 I mvcm'oa: "JTNEssEs I BY I ATTz EY w. F. HELMQNU. TYPE WRITING MACHINE. APPLICANON FILED SEPT-20.1flb.

111 50111 811 Jim. 30, 1917.

2 swans-sneer 2- WITN E5515 UNITED STATES PATENT OFFICE;

wiLLmu :v. HELMOND, or Ham-roan, connncrxcu'nnssxenon no Imnnnwoom ryrswmrnn oomranr, or new Your, a. Y., a oonrona'rzon or-nnnawm. I

n'rs-wnrrmo uaonnm.

specification o! Lettete Patent; Patented Jan. 30 191 '1.

Application m September :0, i915; serial n. sumo.

To all whom it ma concern:

"Be itkno'wn-t at. I, VIILXAM F. Hen

Mom), a citi'z'ernof the United States, residing in Hartford in the county of Hartford 5 and State of onnecticut, have invented certain new and useful Improvements 1n,

TypeWriting Machines, of which the followingis a specification.

' This im'ention relates principally to typell) writing machines for writing upon anomber of super osed webs Ol"-(llli3i!1l.l0ll$ sheets,

5 especially t ose which are intended to be torn off in sections from the body ofthe web, as, ior example, when the webs comprise a series of printed forms, each adapted 1 .gto be removed when the typewritmg thereon is completed. In such work it is desirable to em loy ink ribbons or carbon sheets interleave with the webs ,for making'the :0, duplicate copies. A machine of this general character is shown and described in the patent to Wernery' and Smith, N0. 1,132,( )55, March 16 191.5. In that machine,

g a yjfrom the usual feed rollers to release web and the interleaved carbon sheets; whereupon, by means of a carbon sheet holder, the carbon sheets are drawn back along the web into position thereon for the rinting of the next'web section; the vch itself being drawn forward 'a measured distance for removal of the printed section thereof, and the next imprinted section 85 sheets therein, for the printing operation. The same carbon sheets are thus used over and over in 'the same .web form. The carbomsheet-holder of machines of this n ure 40 is usually supported on a carriage w ich rides on a track ,on a table attached to the laten carriage? The table, therefore, has

'- otter-feed and reverse movement with the platen carriage; and the carbon-sheet-holder as line-space and reverse movement on the table, toward and away from the platen.

The track for the carbon-sheet carriage should be so laidthat binding of the car riage on the trackcanhotbccur; otherwise or the carbon sheets may be torn. On the other hand, the carbon-sheet carriage should not have undue lateral play on its track if regard" is to be had for proper feed of the making one rail do the guiding and carriage to 'gjthe track. In other words,'- -the' at: a" section web, to compose a printed- :hpet, has been written, the platen is shlfted at each side t thereof being positioned, with the carbon the machine may berendered inoperative,

aper andregm larity of laccrnent of letters '5 iii the written line. If the track is made integral with the table, the table,.or a part thereof, shouldbe of material which-can be machined to make the track true. If the track is not integral withjthe table, and can be made true before-bein attached to-the table, then it shouldb'e o suchdesigm and be so attachable to the table, that its guiding edges can be truly 'placedwith 'littleinconfl; vemence. I 5

An .object of the invention isto provide" forany, irregularity. or distortion the guiding edges of. therails (such asgmi'ght- I otherwise. cause the carriage to bind therecontra th'e tendencies oi the carriage 'to lateral play, ,while I the :other rail cooperates therewith as'a bearing for the'carriagqand also, if desired gas a means for holdingthe' carriage may have a certain lateral play on. one o the rails, resultinglfrom irregularities or distortion of the guiding edge of the-f other rail. Q a 1: In a-preferred' embodiment of the inven- -8p tiop, the table is conveniently and cheaply mlae of tubing or the like, bent or ut 0-1 e er in the form of arectangular s eleton" rame. The tracksare-flat strips of set on theskeleton frame in tested positions, and then screwed or otherwise fi to.

The carriage comprises two trucks, one iereof. One truck carries grooved rollers engagingboth sides oi-tone rail ofthe trackand closely set to the rail,- so that lateral play of thejcarriage on that rail isinapprecia'ble. The other truckalso carries a grooved roller and a depending]: guard, between which the corresponding track rail is held; but'these last are not Set so lateral play of the carriage on that rail, asmay be due to irregularities or distortion-in r the guiding edges of the other rail. a

Other features and advantages will a pear'herein after, I In the accompanying drawings, Figure 1 1s a. perspective view of; the lnv ion apQ- plied to an Underwood. typewrigingjma chine, the parts being in position to permit writing upon'a workpiece. Fi 2 is av iew in cross-section through the ta 1mm car-j bun-sheet carrier. F ig, 3 is aperspotive' xed there-- closely to the rail as to prevent such slightview of the truck on which the left-hand side of the carrier is so ported; a section of the railon whichit ri es being shown with the rollers-of the truck in engagement therewith. Fig. 4 is a similar view of the rightin the operation of removing a printed length from the web, and in re-adjustlng the" web for printing the next length, the platen is swung from printing position' to a posi-- tion away from the feed rolls," so that the 5 .hand truck 811d' 1"R-il- 'Fig. 5 1s a sectional Web no longer wraps around the platen, but 1- elevation showing the platen and pressure may be moved freely in substantially a rolls'for feeding the work around the platen. straight line from'back to front'of the ma- Reference is made to Hi 1 for abrief chine. When the platen is in this position,

, description of the parts which may be comthe carbon sheets between the plies or folds 10 mon to the present machine and to those of of the section of the web to be removed, are i 'the machine of the above-mentioned VVerndraWnback into the length or section of web ery andISmith patent. The platen 10 is fixed next to be printed; and, after removal of a on its shaft 11 which is: journaled in plates length of the web, and re-positioning of the or arms 14 and 15, of a frame fast to a rock web, .the platen is returned to its normal poshaft 12. The shaft 12 has bearings in the sitiol'i against the feed rolls. end plates 13 of the usual platen frame. The web is preferably in a single piece, The swinging frame is normally held in Fig. fan-folded longitudinally, to provide for 1 position, for writing, with'the platen down several copies when carbon sheets are interl 20 against feed rolls. It is swung from this leaved with the folds. Itmay also be in a position to its web-releasing position by crosswise fan-folded condition before being means of a handle 16, also fast to the rock fed into-the machine to permit of compactshaft'12. For'locking the swinging frame ness and convenience in handling, or itmay in F ig. 1 position, the handle 16 carries a' be fed from a roll. It is fed into the ma- 5' pin 17, adapted to be engaged by the hook chine over the rear end of a table 38, which,

18, pivotally mounted on the frame piece 13. in the present invention, comprises a piece A spring 19 yieldingly holds the hook in op- :of tubing, bent'to, form a rectangular frame, erative position. In returning the parts to the front reach 39 of vwhichhas ears 40 atprinting position, the pin 17 cams back the tached thereto,bj means of which the table hook, so that the locking may be automatic, is secured to bracket arms 41 on the platen 951 A tooth 20 on the hook, in conjunction with carriage. The table frame is braced by a' a pin 22 on the frame piece 13, determines ---tube 49, from which depends a bracket 50 the return throw and normal positionof the carrying a roller 51, which rides on a rail swinging-frame. 52, carried by a framework 53, secured to or I 35 To effect the line-space feed 1- rotation of forming part of the main frame of the mag the platen, there are provided the usnalhand" chine, and which supports the table at the wheel 24 and ratchet wheel both fast to rein; thereof. The roller permits of easya short shaft 26, mounted to" rotate" in the letter-feed movement. of the table with the left hand end piece 13 of the platen carplatemcarr-iage. The .web is led across the 40 riage. In printing position, the shaft 26 is tablepover a tie-rod -12 of the-platen car- 1 5 concentric with theplaten shaft 11." As is riage, down around. the platen, between the common in Underwood typcwriting .malatterand the feed rolls, up across the printchines, the ratchet is actuated by a pawl '27 i'ngline, designated by the type 43, under on the usual slide engaged by one arm of a 'the cutter '44, 'and onto the paper shelf 45,

45 line-space lever 29 pivoted to thecarriage between the side guides 46, whence, when 1 frame. A spring returns the slide and pawl measured lengths are to be cut, it may be to normal position after'each operation drawn'tothe gag fieli carried byjthe bar 54, thereof. A. spring detent 34 engages the on the paper shelf. The cutter-is shown as ratchet wheel to; hold the platen against ro-. .a-bla'desecured to a sleeve .47 on the shaft 5o tary displacement. The driving connection 12, to which sleeve is also secured a finger between the shaft 26,- whose axis is not lever 48 for rocking the cutter into engage.- changeable, undthe platen shaft 11', which ment with the web when the latter is toswings from one position. to another, conbe cut;

sists of gears 35, 36am] 37. The gear 35-is The carbon-sheets are fed forward with 55 fast to the shaft 26; the gear 36' is fast to the webby the premureof the feed rollers i the platen shaft, and is of the same size and on the platen, and, as ummons :1 length 7 has the same'number of teeth asgear35; of wehfis written and; the web released, beand the gear 37 is loose on the-axle 12 around fore the web is cut, the carbon sheets are D .which the platen frame swings, and has a drawn back a long'the web from the written,

' 6o face of. sufficient width to mesh with both to the next unwritten, length thereof. To 'gears 35 and'3ta The driving connection beprovide for these movements of the carbon tween the-shaft 26 and platen is thus mainsheets, the same, in machines of this chartained in'all'position; of the platen. actor, are attached at their rear edges to a In Patent N0.'1,132,055,Il;0 Wernery and traveling-holder or carriage." This carriage Smith, above referred to??? is shown that comprises a plate 55 having a stepped block v m of'the' table frame.

66 at each side thereof. Fingers or clips 57, to each of which one carbon sheet may he attached, are secured by screws 58 to the steps @fiilof the blocks 56. These fingers are less in "length than the width of the web, and are ,st aggered; alternate fingers being secured Qto the same side of the carriage, that the fingers may lie in. the oppositely directed fun-folds of the web. The steps space the several folds of the web apart, so that the carbon sheets may be moved back along the web without binding or touring of the sheets or of the web. The carriage plate 55. is mounted on trucks adapted to ride on rails at the sides of the table; and a feature of". 1 the present invention relates to theeonstrne' tion of these trucks.

The ri'g' t-hand truck (see Fig, 3) con ,are grooved at 63to engage, two on each oiide, a rail 64, support'edion the leftdiend "ireach 65 of thetubular skeleton of the ta.

-ible. The right-hand truck consists of a plate.67 having, at each of the right-hand corners thereof, an ear 68, in which is mounted a roller 69, similar to the rollers 62, for

engagement with a rail on the reach 71 Atlhe other corners of lthc truck plate 67- are ears or guard. lugs72 which extend down past the inside edge of the rail 70. The carriage plate 55 is attached to the two truck frames by screws 73.

The table skeleton is shown as made of tubing, because it can be cheaply and easily so made; and it may be of e single piece the ends "(if which are joined at a. corner, or other art of the table, or it may be made in evere pieces. Since, however, the carbon tiheet-carrierdoes not ride directly upon the ;tlblegimme-members, no particular exact (irregularity of shape of line is reflifll ired for thelatter; and hence the frame not only be made of tubing, but of pieces of uny other suitable material and form. .[n the present construction provision is made for free movement of the sheetcarrier without undue lateral play of the is} se ne, but such provision concerns the rails, the' manner in which the trucks are mounted on the same, rather than the table ,frame proper, as heretofore. x f The rails, 64 and 70, which are shown us "od'two flat metal strips, may easily be made with their edges practically. straight. The elinement of the rails on their two rails.

fisistajof a plate 60 having at each corner hereof an. ear 61,311 which is mounted a 1oller62. These rollers lie horizontall.y,and

supporting frame is else-"easy. The left-hand ruil may H} I play of the truck thereon, while nevirthelesa: permitting free movement of the truch' along the rail. ,After one rail is in place,

the guards 72 on the other side. This play is to allow for any irregularit; or distortion oi the rail 64, or of the mil 0 so that the carrier cannot become bound lietween the rollers do not permit the: carrier to jump mil thereforecoiiperabes i with rail (ii to hold the carrier to the traick.

the rail, and this A handle 75,;etteched to the eerrier-plate 55,

serves as a means for movin back the car- This rail 64 may thereforezbe' rail is determined; and that rier with the carbon sheets w on the web is released.

Variations may resortedto within the scope of the invention, and portions of the mIpIrovementsmay be'used without other-si aving thus described my invention, 1

claim:

1.. In a typewriting machine, a platemia carriage for holding transfer material be tween the plies of a workiece durin linespace feed of the trans er muteria and workpiece, and for shifting the transfer material at intervals backward along the work-piece, a rail for guiding supporting the carriage, on the carriage rotatable and embracing opposite sides of said rail .to hold the carriage against lateral play on the rail, and a companion supporting rail for and partly grooved guide rolls about vertical axes said carriage, the latter being provided with a grooved guide roll device to engage said companion roll on one side only.

2. Ina typewriting machine, a. platen, a

carriage for holding transfer material between the plies of a work-piece during linespace feed of the transfermaterial tend work-piece, and for shifting the transfer material at intervals backward along the work-piece, a rail. for

posite sides of said rail to hold the carriage against lateral play on the roll, a second rail cooperating with the first rail to guide the carriage, and guards on the carriage coope erating with the second reil, said last-named guards arranged to hold the carriage against up and down movementatthe second rail and allowing such lateral movement of the carriage on the second rail as'mey be due to guiding the carriage, guards on the carriage cooperating with opiao irregularities or distortion in the first rail,

whereby binding of the carriage between the two rails is prevented.

3. In atypewritingmachine, aplaten, a

carriage for holding transfer material beposit/e sides of said rail to hold the carriage against lateral play on the rail, a second rail coiiperating with the first rail to guide the carriage, guards on the, carriage coopcrating with the secondraih-sa-id last-uamed guards allowing such lateral movement of the carriage on the second rail as may be v due to irregularities or distortion in the first rail, whereby binding of the carriage between the two rails is prevented, and i'iifscts arranged to' prevent said lateral guards from moving up and down at either rail whereby the carriage is prevented tuna ping the rails.

carriage for holding transfer material between the plies of a work-piece during liue. space feed of the transfer material and workpiece, and for shifting the transfer material at intervals backward along the work-piec two' rails for guiding the car- -nage, rol e'rs on the carriage, two on each.

side of one of "said rails, with the rziil closely held 'thr'ebetween and holding the rollers against up and glown movement relatively to-the rail, and two rollers on one side of the other of said rails, and a guard on 'the carriage between which and said last two rollers the second rail is held; said :seeondfrail operative to hold the rollers thereon against upand down movement, space being providedfor-such lateral play 'of the carriage on said second rail as may he due vto irregularities and distortion in said first rail.

. 'In' a typewriting machine, a platen, a carnagefor holding transfer material betweentheplics of a work-piece during linespace feed of .the transfer 1nater1al;and

work-piece,- and for shifting the transfer materialat: intervals lmckward along the work-piece, two rails for guidi'ngthe carriage, rollers on the carriage," one on each side of o'ne'of said rails, with the rail closely held therebetween and holding the rollers against up and downmovement relatively to the rai.l, and one rolle'nonrone side'of the other of said fitilsyand guard .on the car 'age between which and said last roller thevilcond rail "is held; said second rail operative to hold the roller thereon against up 'and down movement, space being provided for such lateral play of thecarriagc on said Cum,

EL, w p l tortion i tweenthe plies of a work-piece during linesecond raug asm y be due to irregularitiesand distortion in said first-rail.

v i I" 6. In; a typewriting machine, 9 platen a, carriage for holding-transfer material etween the plies-of'a'workiece during linespace feed of the trans er material and work-piece, and for shifting the transfer nuateria'l at intervals backward along the second rail as may beldue to irreghlarities and-distortion'ln'sald first rall, and flanges whereby therollers interlock with the rails to hold the carriage to the rails.

7'.v In a typewriting machine, a. platen, a ca'u'riage for holding transfer. material'between the plies of a work-piece during linespace :t'eed of the transfer niaterial'and work @piew, and for shifting the transfer material-a." 4. In a typewriting machine, a platen, a

at intervals backward alongthe work-piece,

'two rails for-guiding the carriage,lrollers on the carriage, one on each side of one of said rails, with the rail closely held therehctween, undone on one side of the other of said mas; and a guard on the carriagebetween which and said last roller'the second rail is held; space being'p'rcvided for-such latcral play of the carriage on saidsecond rail as may be due to irregularities and (118- beiug'nuiui ted to rot-ate 'on vertical axes and,-

n said first rail, and said roll ers' m grooved to receive the lateral edges of thiy rails, so that thecarriagc is held totheg'ailsi 1 In a typewritin'g'machine, a p1aten,'-a 101! carriage for holdin transfer materizilfbetween the phes of a work-p1ecedur1ngline space feed of the transfer-material and-work- ])l(*('0, andffor shiftingthe transfer material at intervalsbackward-along the workpiece, two rails for guiding the carriage rollers on the carriage, one on each side 0 .one of said rails, withthe rail-closely held therehet'ween, and one on one side-of the other of saidrails, a-gua'rd on the carriage. between which and said. last roller the sec and rail is held"; space being provided for such lateral play of the carriage gutsaid second rail'as may'be,"due.to irregularities and distortion in said first rail, and a table to which said rails areadjiistably attached. 9-..111 a typewriting'i-machine, a' platen, a

carriage for hold-ing 'transfer material be n shift ng the transfer plate having means thereon for hol m dth f 1'25 back-ward along the work-piece, said carriage consistin of aid ween therollerand 'transfer material and 'and afdependin 'guard,-nnd atrack comrism two rai s, one of which is closely old: etw'ee'n the rollers=.of one of said trucks,fgand the other of which is held be; v guard of the other truck-spare being provided for lateral lay of'the-tru'ckbp the last-mentioned rail.

10. In a t'ype'writing machine, a platen, a carriage for holding transfer material between the plies ofa work-piece during linespace feed of the transfer material and work- P1806, and for shifting the transfer material at intervals backward along the workpiece,;and a pairofrailson which the carriage "rides, one of said rails alone cooperating with the carriage to control tendencies of the carria' e to lateral displacemenhand both a of sai rolls holding 'the carriage against vertical displacement. l. 11. In a typewritingmachine, va platen, a

1.; carriage for,holding transfer material betwqn th'ecplies of a workiece during linespace; fee of the trans er material and work-piece, and for shifting the transfer 80 material at intervals backward along the work-piece, and a pair of rails on which the carriage rides, oneof said rails alone erating with the carriage to control tendencies of the carriage to lateral displaceunpent', and the other of said rails coiiperat. with" the first rail to prevent the car- 'r'iagc from moving upward off either rail.

12."In a typewriting machine, a platen, a carriage for holding transfer material be 10 tween the plies of a work-piece during linespace feed of the transfer material and workpiece, and for shifting the transfer material lat intervals backward along the Work-piece, a pair of rails on which the carriagerides, 1 one of said rails alone cooperating with the if carriage to control tendencies of the carriage to lateral displacement, and both of said ,J rails holding the carriage against vertical lldisplacement, and a table to which said rails so are attached in tested positions. 13. In a typewriting machine, the combination with a platen,'of a carriage for hold 'ing transfer material-between the plies of a [work-pi during line-space feed of the transfer aterial and work-piece, and for shiftingthe transfer material at intervals backward along the work-piece, a table, and rails attached to the table in position thereon forthe correct guidance of the carriage, the eo caniage having a p thereon-t0 rotateaont vertical axes, said i rollersengagin pposite side edges of one of the rails an thereby controlling the tendencies of the carriage to. lateral displacement.

to'whichisaid plate is attached,- one of'slid, tgl clgs being air of rollers mounted,

14. In 'a' iiipewriting ninchine, the combination with a platen, of a carriage for holding traiisfer material between theplies of a work-piecew during linespace feed of the transfer material and work-piece, and for shifting the transfer material at intervals backward along the work-piece, a. table, and rails attached to the table in position thereon for the correct guidance oi the carriage,

the carriage having a pair of rollers mountedv thereon to rotate about vertical axes, said rollers engaging opposite side edges of one of the rails, and thereby controlling the tendencies', of the carriage to lateral displacenient, the carriage also comprising a roller to engage a lateral. edge of the other rail, the rollers on both rails being flanged to embrace the rails and hold the carriage against ver' tical displacement.-

15. In a typewriting machine, the combination with a work-holding carriage, of a supporting frame for said carriage, said frame comprising a rod bent to form a rectangle, and rails extending along the sides of the frame and attached thereto, said carriage comprising rollers mounted to rotate about vertical axes and arrangi-id" to engage both lateral edges of one of said rails, to thereby control the lateral position'of the carriage as it travels lengthwise of the rails, said carriage also having a roller to run on the other 16. In a typewriting machine, the combi nation with a Work-holding carriage, of a supporting frame for said carriage, said frame comprising a rod bent to form a rectangle, and rails extending along the sides of the frame and attached thereto, said carriage comprising rollers mounted to rotate about vertical axes and arranged to engage bothlateral edges of one of said rails, to

thereby control the lateral position of the carriage as it travels lengthwise of the rails, said carriage comprisin a roller rotatable about a vertical axis and engaging a lateral edge of the other rail, therollers on both rails having flanges arranged to prevent up and .down movement of, the rollers relative to their rails, whereby the carriage is held against vertical displacement. i

17. In a typewriting machine, the combination with a workholding carriage, of a supporting frame comprising parallel side members, and flat rails extending along and I attached to said side members, said carriage comprising trucks having rollers to run c said rails the rollers on ore tru 'k being horizontally disposed and having grooved peripheries to engage both lateral edges of one rail, whereby the carriage is guided and the tendency to lateral displacement controlled by said last-mentioned rail.*

18. In a typewriting machine, the combination with a platen earnings, of a frame tending laterally s'aid rollers comprising a pan arranged to ronneclied to-the carriage to travel therewith,

run on said edges, wltlr'the rail lherebetween holding the rollers against lateral movement, whereby the lateral osition of the carriage as it travelselong sud rails is controlled by onerail. I WILLIA M FQHELMON D. Wilnesses JOHN J. BAsxrmvlm,

GEORGE H. VARI EY, 

